Ruchi S.
Senior Backend Engineer | Spring Boot | Full Stack Developer | AI/LLM
Hello! I’m a Senior Backend Engineer with 10+ years of experience building scalable, secure, and high-performance systems using Java (Spring Boot), Python, and Node.js. I help businesses design and develop robust backend architectures, microservices, APIs, and AI-powered platforms—especially in healthcare, wellness, e-commerce, and AI-driven products. 🚀 What I can help you with: * Design & build scalable backend systems and microservices * Develop high-performance REST APIs using Spring Boot, FastAPI, and Node.js * Build AI-powered platforms using RAG pipelines, embeddings, vector databases, and LLM integrations * Implement secure authentication and authorization (Keycloak, JWT, OAuth2, Cognito) * Build event-driven systems using Kafka and RabbitMQ * Develop AI content and knowledge platforms with Next.js, Qdrant, and CMS integrations * Design healthcare integrations using FHIR and Azure Health Data Services * Optimize performance, scalability, observability, and fault tolerance 🛠️ Core Tech Stack: * Java, Spring Boot, Python, FastAPI, Node.js * Microservices, REST APIs, Event-driven Architecture * Kafka, RabbitMQ * MySQL, PostgreSQL, Qdrant * Keycloak, AWS Cognito, Spring Security * AWS, Azure (FHIR, Functions, Storage) * Next.js, AI/LLM integrations, RAG pipelines 🧩 Recent Work Highlights: -- AI-Powered Traditional Medicine Platform (AdiVaidya) * Built an AI-powered health content and knowledge platform focused on Ayurveda, Siddha, Unani, Homeopathy, and Naturopathy * Developed intelligent RAG pipelines using embeddings, vector databases (Qdrant), and LLM-based generation * Implemented semantic search, PDF parsing pipelines, structured AI content generation, and disease-specific retrieval workflows * Designed scalable backend APIs and AI microservices using Spring Boot, Python, and Node.js * Integrated SEO-driven content architecture, sitemap generation, analytics, and AI-assisted workflows -- Healthcare SaaS Platform (CareNexus) * Built scalable backend for patient care and remote monitoring systems * Integrated Azure FHIR services and AI-based patient assessments * Designed secure architecture using Keycloak and JWT-based authentication -- E-commerce Platform * Developed high-performance APIs using Spring Boot and Node.js * Implemented event-driven architecture using Kafka and RabbitMQ -- Secure Enterprise System (DoD Project) * Built backend services with AWS integrations * Focused on security, monitoring, scalability, and reliability
Earnings and projects
Last 6 months ÷ 6
Billed in all: $14,700$15k
Across 4 contracts